RT Journal Article T1 Cold-atom dynamics in crossed-laser-beam waveguides A1 Torrontegui Muñoz, Erik A1 Echanobe, Javier A1 Ruschhaupt, Andreas A1 Guéry-Odelin, David A1 Muga, Juan Gonzalo AB We study the dynamics of neutral cold atoms in an L-shaped crossed-beam optical waveguide formed by two perpendicular red-detuned lasers of different intensities and a blue-detuned laser at the corner. The motion in one sense is optimized, and the motion in the other sense may be suppressed even if it is energetically allowed. Quantum and classical simulations are performed and give similar results. Complemented with a vibrational cooling process we find a range of parameters for which this setting works as a one-way device or "atom diode." PB American Physical Society SN 1050-2947 YR 2010 FD 2010-10 LK https://hdl.handle.net/10016/32326 UL https://hdl.handle.net/10016/32326 LA eng NO We acknowledge the kind hospitality of the Max Planck Institute for the Physics of Complex Systems in Dresden, funding by the Basque Country University (Project No. GIU07/40), Basque Government (Project No. IT 472-10), Ministerio de Ciencia e Innovación (Project No. FIS2009-12773-C02-01), and Agence Nationale de la Recherche (Project No. ANR-09-BLAN-0134-01). E.T. acknowledges support from the Basque Government (Grant No. BFI08.151). DS e-Archivo RD 1 sept. 2024